100111011115 has 8 divisors (see below), whose sum is σ = 126456014160. Its totient is φ = 75873608352.

The previous prime is 100111011113. The next prime is 100111011127. The reversal of 100111011115 is 511110111001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 100111011115 - 2¹ = 100111011113 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 100111011095 and 100111011104.

It is not an unprimeable number, because it can be changed into a prime (100111011113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 526899964 + ... + 526900153.

It is an arithmetic number, because the mean of its divisors is an integer number (15807001770).

Almost surely, 2^100111011115 is an apocalyptic number.

100111011115 is a deficient number, since it is larger than the sum of its proper divisors (26345003045).

100111011115 is a wasteful number, since it uses less digits than its factorization.

100111011115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1053800141.

The product of its (nonzero) digits is 5, while the sum is 13.

Adding to 100111011115 its reverse (511110111001), we get a palindrome (611221122116).

The spelling of 100111011115 in words is "one hundred billion, one hundred eleven million, eleven thousand, one hundred fifteen".